Stay updated with real-time air quality in Union City, New Jersey featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
32
Good
Union City, New Jersey
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.52 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.33 μg/m³
0
55
155
255
425
605+
34.55 ppb
0
55
71
86
201
201+
0.35 ppb
0
36
76
186
605
1005+
16.15 ppb
0
54
101
361
1250
2050+
0.99 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Union City, New Jersey
Union City, New Jersey
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AQI 31
Good
4.38μg/m³
PM2.5
18.73μg/m³
PM10
33.84ppb
O3
0.35ppb
SO2
15.45ppb
NO2
0.91ppm
CO
AQI 30
Good
4.00μg/m³
PM2.5
17.06μg/m³
PM10
32.06ppb
O3
0.35ppb
SO2
13.74ppb
NO2
0.71ppm
CO
AQI 30
Good
3.94μg/m³
PM2.5
16.80μg/m³
PM10
31.62ppb
O3
0.35ppb
SO2
13.29ppb
NO2
0.66ppm
CO
AQI 31
Good
4.37μg/m³
PM2.5
18.65μg/m³
PM10
33.90ppb
O3
0.35ppb
SO2
15.53ppb
NO2
0.91ppm
CO
AQI 30
Good
3.94μg/m³
PM2.5
16.80μg/m³
PM10
31.62ppb
O3
0.35ppb
SO2
13.29ppb
NO2
0.66ppm
CO
AQI 33
Good
4.85μg/m³
PM2.5
20.84μg/m³
PM10
35.95ppb
O3
0.36ppb
SO2
17.11ppb
NO2
1.14ppm
CO
Air quality and pollutant data for New Jersey, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Union City, New Jersey is updated every hour for accuracy.
In the past 24 hours, the air quality in Union City, New Jersey was at its worst at 08:00:00 on 2026-04-25.
In the last 24 hours, the best air quality in Union City, New Jersey was observed at 02:00:00 on 2026-04-26.
As of now, the AQI in Union City, New Jersey is 32, indicating Good conditions.
Union City, New Jersey air has the highest levels of O3.
Poor air quality in Union City, New Jersey means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Union City, New Jersey are currently 4.519 μg/m3.
The PM10 concentration in Union City, New Jersey is 19.328 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Union City, New Jersey is 0.988 ppm.
Currently, Union City, New Jersey has a sulfur dioxide (SO2) concentration of 0.355 ppb.
The current ozone (O3) level in Union City, New Jersey at the moment is 34.554 ppm.
Nitrogen dioxide (NO2) level in Union City, New Jersey at the moment is 16.151 ppb.
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